ݿ: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order by id desc limit 1' at line 1]
select cookies from demo_cookie where userid= order by id desc limit 1

ݿ: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
delete from demo_cookie where userid=

ݿ: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''VmcANVRoUj1SJFByAT4DbwdvAiJQYgolDyAHLAA7B2sDNlUoByEFawR6C2AJPFQ6UyNWdgVvCSBbPV4' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')